{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "151269",
    "entityType": "User",
    "nonce": "0xc47cc01d7367782d233e50990ff8b6be4286acc4954a09546c35fda19bb1196f",
    "signature": "0x5bdafd4379e229c65baa02e955f761d6615134828a45f96f2e24f9d2c35b24964359b24f78430da02a7aaef3e3b455f10cf1542e0d6125e146ddfa543d63f8cc1b",
    "signer": "0xE726D55D6940a70995Ce9D8aa1aCE76FC6f4f544",
    "userId": "285113781"
  }
}